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105505050111 = 3102181344177
BaseRepresentation
bin110001001000010010…
…1110100110111111111
3101002022211100212022120
41202100211310313333
53212033243100421
6120245055214023
710423341062166
oct1422045646777
9332284325276
10105505050111
114082093979a
1218545517313
139c451a0c46
14516c2303dd
152b276a58c6
hex1890974dff

105505050111 has 8 divisors (see below), whose sum is σ = 140675185584. Its totient is φ = 70335807360.

The previous prime is 105505050109. The next prime is 105505050127. The reversal of 105505050111 is 111050505501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105505050111 - 21 = 105505050109 is a prime.

It is a super-2 number, since 2×1055050501112 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105505050611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134455 + ... + 478631.

It is an arithmetic number, because the mean of its divisors is an integer number (17584398198).

Almost surely, 2105505050111 is an apocalyptic number.

105505050111 is a deficient number, since it is larger than the sum of its proper divisors (35170135473).

105505050111 is a wasteful number, since it uses less digits than its factorization.

105505050111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446361.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 105505050111 its reverse (111050505501), we get a palindrome (216555555612).

The spelling of 105505050111 in words is "one hundred five billion, five hundred five million, fifty thousand, one hundred eleven".

Divisors: 1 3 102181 306543 344177 1032531 35168350037 105505050111